Added the parts of boost which we need to access shared_ptr and weak_ptr. This will allow for improved memory management of large volumes.

library/include/boost/exception/detail/error_info_impl.hpp

@@ -0,0 +1,61 @@
+//Copyright (c) 2006-2008 Emil Dotchevski and Reverge Studios, Inc.
+
+//Distributed under the Boost Software License, Version 1.0. (See accompanying
+//file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+#ifndef UUID_CE6983AC753411DDA764247956D89593
+#define UUID_CE6983AC753411DDA764247956D89593
+
+#include <string>
+
+namespace
+boost
+    {
+    namespace
+    exception_detail
+        {
+        class
+        error_info_base
+            {
+            public:
+
+            virtual char const * tag_typeid_name() const = 0;
+            virtual std::string value_as_string() const = 0;
+
+            protected:
+
+            virtual
+            ~error_info_base() throw()
+                {
+                }
+            };
+        }
+
+    template <class Tag,class T>
+    class
+    error_info:
+        public exception_detail::error_info_base
+        {
+        public:
+
+        typedef T value_type;
+
+        error_info( value_type const & value );
+        ~error_info() throw();
+
+        value_type const &
+        value() const
+            {
+            return value_;
+            }
+
+        private:
+
+        char const * tag_typeid_name() const;
+        std::string value_as_string() const;
+
+        value_type const value_;
+        };
+    }
+
+#endif